Home/CVE/The host_from_stream_offset function in arch_init.c in QEMU, when loading RAM during migration, allows remote attackers
CVE

CVE-2014-7840

The host_from_stream_offset function in arch_init.c in QEMU, when loading RAM during migration, allows remote attackers

The host_from_stream_offset function in arch_init.c in QEMU, when loading RAM during migration, allows remote attackers to execute arbitrary code via a crafted (1) offset or (2) length value in savevm data.

HIGH · CVSS 7.5 EPSS 0.02455
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules2 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

7
qemu<= 2.1.3
redhat enterprise linux desktopall versions
redhat enterprise linux eusall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
redhat enterprise linux workstationall versions
redhat virtualizationall versions
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumPotentially Suspicious Usage Of Qemu
productmediumPowershell Detect Virtualization Environment
▣

Scoring & Timeline

7.5
HIGH · CVSS v2 (legacy) · secalert@redhat.com
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Published to NVD12 Dec 2014 · 03:59 PM
⚑

Vendor Advisories

5
suse-csafSUSE-SU-2015:0349-1
suse-csafSUSE-SU-2015:0357-1
usnUSN-2439-1
rhsaRHSA-2015:0349Important
rhsaRHSA-2015:0624Important
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.qemu.org/?p=qemu.git
http://rhn.redhat.com/errata/RHSA-2015-0349.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2015-0624.htmlThird Party Advisory
http://thread.gmane.org/gmane.comp.emulators.qemu/306117Broken Link
https://bugzilla.redhat.com/show_bug.cgi?id=1163075Issue TrackingThird Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/99194Third Party AdvisoryVDB Entry
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